<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-if="searchParams.categoryName">
              {{searchParams.categoryName}}<i @click="removeCategoryName">×</i>
            </li>
            <li class="with-x" v-if="searchParams.keyword">
              {{searchParams.keyword}}<i @click="removeKeyword">×</i>
            </li>
            <li class="with-x" v-if="searchParams.trademark">
              {{searchParams.trademark.split(':')[1]}}<i @click="removeTrademark">×</i>
            </li>

            <li class="with-x" v-for="(prop, index) in searchParams.props" :key="index">
              {{prop.split(':')[1]}}<i @click="removeProp(index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @searchForTrademark="searchForTrademark" @searchForProp="searchForProp"/>

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                            <!-- order: "1:desc", -->
                <li 
                  :class="{ active: searchParams.order.split(':')[0] === '1' }"
                >
                <!-- 
                  1.按照
                 -->
                  <a href="javascript:;">综合</a>
                </li>
                <li 
                  :class="{ active: searchParams.order.split(':')[0] === '2' }"
                >
                  <a href="javascript:;">价格</a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li
                class="yui3-u-1-5"
                v-for="(goods, index) in goodsList"
                :key="goods.id"
              >
                <div class="list-wrap">
                  <div class="p-img">
                    <a href="item.html" target="_blank"
                      ><img :src="goods.defaultImg"
                    /></a>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥</em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a
                      target="_blank"
                      href="item.html"
                      title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                      >{{ goods.title }}</a
                    >
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <div class="fr page">
            <div class="sui-pagination clearfix">
              <ul>
                <li class="prev disabled">
                  <a href="#">«上一页</a>
                </li>
                <li class="active">
                  <a href="#">1</a>
                </li>
                <li>
                  <a href="#">2</a>
                </li>
                <li>
                  <a href="#">3</a>
                </li>
                <li>
                  <a href="#">4</a>
                </li>
                <li>
                  <a href="#">5</a>
                </li>
                <li class="dotted"><span>...</span></li>
                <li class="next">
                  <a href="#">下一页»</a>
                </li>
              </ul>
              <div><span>共10页&nbsp;</span></div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { mapGetters } from "vuex";
import SearchSelector from "./SearchSelector/SearchSelector";
export default {
  name: "Search",
  components: {
    SearchSelector,
  },
  data() {
    return {
      // 这个参数就是你搜索商品的初始化参数
      // 这个参数当中包含了用户后期搜索的所有搜索条件，只是大部分开始都是空的
      // 后期用户需要按照某个条件进行搜索，我们只需要修改这个参数内对应的搜索条件
      //重新调用函数发请求即可
      searchParams: {
        // 这些参数代表用户的搜索条件，这些搜索条件是动态的
        category1Id: "",
        category2Id: "",
        category3Id: "",
        categoryName: "",
        keyword: "",
        props: [],
        trademark: "",

        // 默认参数：默认给你第一页的数据，每页是10条，默认是按照order排序的
        // 排序的规则包含:排序的标志和排序的类型
        // 排序的标志: 1代表综合排序  2代表价格排序
        // 排序的类型:
        order: "1:desc",
        pageNo: 1,
        pageSize: 10,
      },
    };
  },

  // 按照三级分类和关键字进行搜索，本质就是在mounted之前，把用户从首页跳转过来时候的
  // 三级分类名称和关键字给解析出来，赋值给this.searchParams

  beforeMount() {
    // let {
    //   categoryName,
    //   category1Id,
    //   category2Id,
    //   category3Id,
    // } = this.$route.query;
    // let { keyword } = this.$route.params;

    // let searchParams = {
    //   ...this.searchParams,
    //   categoryName,
    //   category1Id,
    //   category2Id,
    //   category3Id,
    //   keyword,
    // };

    // //把对象当中属性值为空串的，全部干掉
    // Object.keys(searchParams).forEach((item) => {
    //   if (searchParams[item] === "") {
    //     delete searchParams[item];
    //   }
    // });

    // this.searchParams = searchParams;
    this.handlerSearchParams()
  },

  mounted() {
    this.getGoodsListInfo();
  },
  watch: {
    $route: {
      // 处理解析路由当中携带的参数
      handler(newVal, oldVal) {
        this.handlerSearchParams()
        //重新发请求
        this.getGoodsListInfo();
      },
    },
  },

  methods: {
    getGoodsListInfo() {
      // {}只是我们在测试的时候传递的
      // 这里传递参数，需要自己初始化参数进行传递
      // 初始化参数叫初始化搜索参数
      // this.$store.dispatch("getGoodsListInfo", {});
      this.$store.dispatch("getGoodsListInfo", this.searchParams);
    },
    //处理路由对象携带的参数
    handlerSearchParams() {
      let {
        categoryName,
        category1Id,
        category2Id,
        category3Id,
      } = this.$route.query;
      let { keyword } = this.$route.params;

      let searchParams = {
        ...this.searchParams,
        categoryName,
        category1Id,
        category2Id,
        category3Id,
        keyword,
      };

      //把对象当中属性值为空串的，全部干掉
      Object.keys(searchParams).forEach((item) => {
        if (searchParams[item] === "") {
          delete searchParams[item];
        }
      });

      this.searchParams = searchParams;
    },

    //删除分类名称，面包屑需要删除，还要重新发请求
    removeCategoryName(){
      this.searchParams.categoryName = undefined
      // 这样发请求，数据确实可以重新获取，但是这样发请求不会改变路径
      // this.getGoodsListInfo()
      // 不能直接修改原来的路由对象，而是重新跳转匹配新的路由对象 
      this.$router.push({name:'search',params:this.$route.params})
    },
    //删除关键，面包屑需要删除，还要重新发请求
    removeKeyword(){
      this.searchParams.keyword = undefined
      // this.getGoodsListInfo()

      //删除关键字
      this.$bus.$emit('clearKeyword')

      this.$router.push({name:'search',query:this.$route.query})
    },

    //根据品牌搜索
    searchForTrademark(tm){
      this.searchParams.trademark = `${tm.tmId}:${tm.tmName}`
      this.getGoodsListInfo()
    }, 

    //删除品牌重新发送请求
    removeTrademark(){
      this.searchParams.trademark = undefined
      this.getGoodsListInfo()
    },
    //根据属性和属性值进行搜索
    searchForProp(attrValue,attr){
      let prop = `${attr.attrId}:${attrValue}:${attr.attrName}`
      // some/every/forEach/map/filter/reduce
      // some
      // 功能  ： 判断一个数组当中是不是有和条件一样的项  有就是true  一个都没有返回false 
      // 参数  ：  和filter一致
      // 返回值 ：  布尔值  
      let isRepeat = this.searchParams.props.some((item) => item === prop)
      if(isRepeat) return
      this.searchParams.props.push(prop)
      this.getGoodsListInfo()
    },
    //删除某个属性，重新请求搜索
    removeProp(index){
      this.searchParams.props.splice(index,1)
      this.getGoodsListInfo()
    }
  },

  computed: {
    ...mapGetters(["goodsList"]),
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>